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ECO means “Eco Mode,” which stands for the economical mode in the car. Its function is to alter certain features of the engine and transmission to minimize fuel consumption.

  • Almost anything from the driver to underinflated tires can cause excessive fuel consumption. A fuel mileage tester and some electronic instrument clusters can accurately measure fuel consumption. The compression test, cylinder leakage test, and vacuum gauge tests will help pinpoint the cause
  • Some of the possible causes of excessive fuel consumption is a driver who depresses the accelerator pedal while idling and insists on being the first to get away when the traffic light changes to green will use extra fuel, underinflated tires, dragging brakes, slipping  clutch, defective automatic transmission and wheel alignment